Home / 99,854,419.60-149,781,629.40-88,507,680.40

Finding the Fourth Proportional to 99,854,419.60, 149,781,629.40 and 88,507,680.40

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Solution

The fourth proportional to 99,854,419.60, 149,781,629.40 and 88,507,680.40 is: 132,761,520.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,854,419.60 : 149,781,629.40 = 88,507,680.40 : x
  2. Step 2: Convert to fraction form
    99,854,419.60/149,781,629.40 = 88,507,680.40/x
  3. Step 3: Cross multiply
    99,854,419.60x = 149,781,629.40 × 88,507,680.40
  4. Step 4: Simplify right side
    99,854,419.60x = 13,256,824,584,726,446
  5. Step 5: Solve for x
    x = 13,256,824,584,726,446/99,854,419.60
  6. Step 6: Final answer
    x = 132,761,520.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.